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computer science

MacBook

MacBook is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand MacBook rather than just read about it. In short: The MacBook is a line of Mac-branded laptops developed and marketed by Apple since 2006, running on macOS. The MacBook brand replaced the PowerBook and iBook brands during the Mac transition to Intel processors, announced by Steve Jobs in 2005.

MacBook — main illustration
MacBook — illustration

Key takeaways

  • MacBook belongs to computer science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect MacBook to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of MacBook from memory before moving on to harder problems.

Reference excerpt

The MacBook is a line of Mac-branded laptops developed and marketed by Apple since 2006, running on macOS. The MacBook brand replaced the PowerBook and iBook brands during the Mac transition to Intel processors, announced by Steve Jobs in 2005. The current lineup consists of the MacBook Pro (2006–present), MacBook Air (2008–present), and the MacBook Neo (2026–present). Two different lines simply named "MacBook" were sold from 2006 to 2012 and 2015 to 2019. The MacBook brand were named as the "world's top-selling line of premium laptops" in 2015.

Overview The MacBook family was initially housed in designs similar to the iBook and PowerBook lines which preceded them, which changed to a unibody aluminum construction similar to the one first introduced with the MacBook Air. The unibody construction also has a plastic keyboard that was first used on the MacBook Air, which itself was inspired by the sunken keyboard of the original polycarbonate MacBooks. While the MacBook Air and Pro models have standardized black plastic keys, the MacBook Neo's keycaps vary based on the body color. The lids of the MacBook family are held closed by a magnet with no mechanical latch, a design element first introduced with the polycarbonate MacBook. The memory, drives, and batteries were accessible in the old MacBook lineup, though the newest compact lineup solders or glues all such components in place. Only the MacBook Air and MacBook Pro feature backlit keyboards, the MacBook Neo does not.

Models named "MacBook"

MacBook (2006–2012)

As part of the Mac transition to Intel processors, Apple released a 13-inch laptop simply named "MacBook", as a successor to the PowerPC-based iBook series of laptops. During its existence, it was the most affordable Mac, serving as the entry-level laptop that was less expensive than the rest of the Mac laptop lineup (the MacBook Pro portable workstation, and later the MacBook Air ultra-portable). It was aimed at the consumer and education markets. Successive revisions of the MacBook were sold to consumers between May 2006 and July 2011, by which time it been superseded by the MacBook Air which had a lower entry price. Apple continued to sell the MacBook to educational institutions until February 2012. During its existence, it was the best-selling Mac in Apple's history. For five months in 2008, it was the best-selling laptop of any brand in US retail stores. Collectively, the MacBook brand was the "world's top-selling line of premium laptops." There have been three separate designs of this MacBook. The original design used a combination of polycarbonate and fiberglass casing which was modeled after the iBook G4. The second design, introduced in October 2008 alongside the 15-inch MacBook Pro, shared the latter's unibody aluminium casing, but lacked a FireWire port. A third design, introduced in late 2009, retained a similar unibody construction but changed back to white polycarbonate. The aluminum unibody design continued in productions as the newly introduced 13-inch MacBook Pro.

12-inch MacBook (2015–2019)

In 2015, Apple introduced the 12-inch MacBook (unofficially called the Retina MacBook, officially marketed as the new MacBook), which sat between the MacBook Air and MacBook Pro in Apple's laptop lineup. It was more compact than any other notebook in the MacBook family at the time and included a Retina display, fanless design, a Butterfly keyboard with lower key travel. It only had one USB-C port, used for both power and data, as well as a 3.5 mm headphone jack. The MacBook was later revised in 2016 and 2017, and discontinued in July 2019, a year after the release of the MacBook Air with Retina display. It was also the thinnest MacBook ever, at a height of 0.14–0.52 inches (0.35–1.31 cm) with a tapered wedge shape.

MacBook family

MacBook Neo

The MacBook Neo is Apple's entry-level MacBook. It features an iPhone chip, the A18 Pro, at its core and is designed primarily for education and budget-conscious customers. The first MacBook Neo was launched on March 4, 2026. At launch, the model with 256 GB base storage was priced at US$599 (US$499 for students). The other option is 512 GB of storage and features Touch ID formerly priced at US$699. It also features four colors, a 1080p webcam, dual mics and speakers, two USB-C ports, and a headphone jack. On June 25, 2026, amid global memory shortages, the price was increased to all MacBook Neo models by US$100.

MacBook Air

… excerpt ends here. Continue reading the full article.

Illustrations

MacBook: A 13-inch MacBook Pro in packaging
A 13-inch MacBook Pro in packaging

Worked examples

Example 1 — a first encounter with MacBook

Start with the simplest possible case. Write down what MacBook claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to MacBook before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about MacBook ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of MacBook

In research
MacBook appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses MacBook in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
MacBook is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer-related introductions in 2006, Consumer electronics brands, MacBook, so understanding it makes those chapters shorter.
In everyday life
Look for MacBook outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study MacBook in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what MacBook means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain MacBook out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is MacBook in simple terms?

The MacBook is a line of Mac-branded laptops developed and marketed by Apple since 2006, running on macOS. The MacBook brand replaced the PowerBook and iBook brands during the Mac transition to Intel processors, announced by Steve Jobs in 2005.

Why does MacBook matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study MacBook?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on MacBook.

Tags

  • Computer-related introductions in 2006
  • Consumer electronics brands
  • MacBook
  • X86 Macintosh computers

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